rasterfairy.py 文件源码

def getShiftedTriangularArrangement(n):

    t = math.sqrt(8 * n + 1);
    if t != math.floor(t):
        return []

    arrangement = []
    i = 1
    while n>0:
        arrangement.append(i)
        n-=i
        i+=1

    return [{'hex':True,'rows':arrangement,'type':'triangular'}]